This book is a comprehensive guide to microformats. It explores why, in Bill Gates's words, "We need microformats"; how microformats work; and the kinds of problems microformats help solve. the book covers every current microformat, with complete details of the syntax, semantics, and uses of each, along with real-world examples and a comprehensive survey of the tools available for working with them. the book also features case studies detailing how major web content publishers such as yahoo put microformats to work in their web applications.